#include <iostream>
using namespace std;
void f(int &i)//Pass reference
{
    cout << "&i=" << &i << endl;
    cout << "i=" << i << endl;
    i = 6;
    cout << "i=" << i << endl;
}
int main()
{
    int ori = 6;
    cout << "&ori=" << &ori << endl;
    cout << "ori=" << ori << endl;
    f(ori);//Syntactic sugar
    cout << "ori=" << ori << endl;
}